Allow to change logging options using 'runsc debug'

New options are:
  runsc debug --strace=off|all|function1,function2
  runsc debug --log-level=warning|info|debug
  runsc debug --log-packets=true|false

Updates #407

PiperOrigin-RevId: 254843128

1 files changed, 9 insertions, 1 deletions

diff --git a/runsc/boot/controller.go b/runsc/boot/controller.go
index 7f41a9c53..d79aaff60 100644
--- a/runsc/boot/controller.go
+++ b/runsc/boot/controller.go
@@ -96,8 +96,10 @@ const (
 
 	// SandboxStacks collects sandbox stacks for debugging.
 	SandboxStacks = "debug.Stacks"
+)
 
-	// Profiling related commands (see pprof.go for more details).
+// Profiling related commands (see pprof.go for more details).
+const (
 	StartCPUProfile = "Profile.StartCPUProfile"
 	StopCPUProfile  = "Profile.StopCPUProfile"
 	HeapProfile     = "Profile.HeapProfile"
@@ -105,6 +107,11 @@ const (
 	StopTrace       = "Profile.StopTrace"
 )
 
+// Logging related commands (see logging.go for more details).
+const (
+	ChangeLogging = "Logging.Change"
+)
+
 // ControlSocketAddr generates an abstract unix socket name for the given ID.
 func ControlSocketAddr(id string) string {
 	return fmt.Sprintf("\x00runsc-sandbox.%s", id)
@@ -143,6 +150,7 @@ func newController(fd int, l *Loader) (*controller, error) {
 	}
 
 	srv.Register(&debug{})
+	srv.Register(&control.Logging{})
 	if l.conf.ProfileEnable {
 		srv.Register(&control.Profile{})
 	}